Sample script to access G-Links (http://link.g-language.org/) via Java.

glinks.java

import java.io.*;
import java.net.*;

public class GLinks {
    public static void main(String[] args) {
        String url_str= "http://link.g-language.org/";

        try {
	    URL url= new URL(url_str);

	    HttpURLConnection http= (HttpURLConnection)url.openConnection();
	    http.setRequestMethod("POST");
	    http.setDoOutput(true);
	    http.connect();

	    OutputStreamWriter osw= new OutputStreamWriter(http.getOutputStream());

	    // hsa:128 and RECA_ECOLI (TSV format)
	    osw.write("query=hsa:128,RECA_ECOLI&format=tsv");
	    osw.flush();
	    osw.close();

	    BufferedInputStream bis= new BufferedInputStream(http.getInputStream());

	    int data;
	    while ((data = bis.read()) != -1) {
		System.out.write(data);
	    }
        } catch(IOException e) {
        }
    }
}